# A333563 (b-file synthesized from sequence entry)
0 1
1 3
2 53
3 1056
4 22181
5 480003
6 10588508
7 236720424
8 5344683429
9 121590541641
10 2782821611053
11 64001191118956
12 1477895865330092
13 34243264651422596
14 795729752353810824
15 18537154747116799056
16 432781371485493257637
17 10123439350286679005973